- 58 -
INST
ALLA
TION
COMMISSIONING
follow the trend in relation to the K coeffi -
cient set.
However, if the ambient temperature is not
comfortable, the fl ow temperature of the
heating plant can be increased or reduced
by ± 15°C by acting on keys 12 (reduce)
and 13 (increase) ( Fig. 7.16 ).
C.h. flow
temperature °C
20
20
15
10
5
0
-5
-10 -15 -20 -25
30
40
50
60
70
80
-15 °C
+ 15 °C
External temperature °C
K = 1,5
Fig. 7.20
The temperature trend when changing the
setting made with keys 12 and 13 for a
K 1,5
is shown in Fig. 7.20 .
Sequence for setting the K coeffi cient
with the remote control connected
Act on the programming of the REMOTE
control to select the setting of the K coef-
fi cient.
Electrically feed the boiler by activating
•
the bipolar switch envisioned during instal-
lation.
Press button
•
for more than 3 seconds to
enter in
( Fig. 7.21 ) mode.
Fig. 7.21
0
2
1
8
1
21
1 5
6
3
9
Press button
to display the
K REG
window ( Fig. 7.22 ).
Fig. 7.22
It is possible to change the value using but-
tons
and
.
Press button to exit from mode
( Fig. 7.22 ).
Setting the pump post-circula-
7.11
tion
The pump, in heating function, is set for a
post-circulation of about one minute at the
end of each heat request.
This time can be changed by a minimum of
zero to a maximum of four minutes by act-
ing on programming both from the panel
controls and the remote control.
Enter in "programming mode" by pressing
•
keys 11 - 12 - 13 ( Fig. 7.23 ) for 10 seconds